Under computer monitor power controlling base



FIG. 1 is a top, front, right side perspective view of an under computer monitor controlling base showing our new design;

FIG. 2 is a bottom, rear, left side perspective view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a right side elevational view thereof, the left side is a mirror image. 

The ornamental design for an under computer monitor power controlling base, as shown and described. 